[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] A question about CONFIG_SMP
On 23 Feb 2006, at 08:51, Tian, Kevin wrote: Just a curious question, does anyone still care xen/UP? If yes, current xen-unstable.hg failed to build quickly after undef CONFIG_SMP since many structures include types defined only when CONFIG_SMP is on. Just realize this issue when cleanup some IA64 code recently, where CONFIG_SMP is still unstable and thus UP only. Is there any benefit to have xen/UP? Reducing image size is the immediate answer in my head... It's not supported for xen/x86 at least. Dynamically adding LOCK prefixes if the system turns out to be multiprocessor is the only optimisation I think would be worthwhile. But really multi-processor/core/thread is what we care about. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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